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CNS CNS 321 Details
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| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | CNS 321 | Austenite | China - CNS , G3067 - Stainless steel bars G3077 - Stainless steel wire rods G3076 - Stainless steel wires |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | - | 1.00 | ||
| Mn | - | 2.00 | ||
| P | - | 0.045 | ||
| S | - | 0.030 | ||
| Ni | 9.00 | 13.00 | ||
| Cr | 17.00 | 19.00 | ||
| Mo | - | - | ||
| Ti | 5×C% | - |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 531 (≥) | 328 (≥) | 31 | 22 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 396 (≥) | 764 (≥) | 22 | 34 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 395 | 455 | 166 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 240 S32100 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S32100 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S32100 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S32100 | SAE | USA | Stainless Steel Bars and Shapes |
| A 313 S32100 | SAE | USA | Stainless Steel Spring Wire |
| A 314 S32100 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 358 S32100 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 S32100 | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 473 S32100 | SAE | USA | Stainless Steel Forgings |
| A 580 S32100 | SAE | USA | Stainless Steel Wire |
| A 632 S32100 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service |
| A 778 S32100 | SAE | USA | Welded, Unannealed Austenitic Stainless Steel Tubular Products |
| A 813 S32100 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 965 S32100 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| A814 S32100 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| F738 Class A2-50 S32100 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A2-70 S32100 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A2-80 S32100 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F836 Class A2-50 S32100 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| F836 Class A2-70 S32100 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
